How to remove lens distortion from input images in Deepstream?

Could you add the patch in the open source code and try to see if the performance is improved in your env?

--- sources\gst-plugins\gst-nvdewarper\nvdewarper.cpp
***************
*** 41,46 ****
--- 41,47 ----
  #include "cudaEGL.h"
  #endif
  
+ #define USE_CUDA_STREAM
  
  /* Dewarper #defines */
  #ifndef   M_PI
***************
*** 245,250 ****
--- 246,252 ----
    /* Test measurement with 10 iterations */
  #ifdef USE_CUDA_STREAM
    warper.warp(nvdewarper->stream, srcTex, dstBuffer, cuDstRowBytes);
+   cudaStreamSynchronize(nvdewarper->stream);
  #else
    warper.warp(0, srcTex, dstBuffer, cuDstRowBytes);
    cudaErr = cudaDeviceSynchronize();